Ceramic stack



Juli 30, 1935. c A E 2,009,378

CERAMIC STACK Filed Nov. 22, 1933 INVENTOR. (um-0RD Bnras ATTORNEYS.

Patented July 30, 1935 a l 1 UNITED STATES- PATENT OFFICE j CERAMICSTACK Harry Clifford Bates, Corning, N. Y., assignor to Corning GlassWorks, Corning, N. Y., a corporation oi New York Application November22, 1933, Serial No. 599,295

4 Claims. (01. 23-283) This invention relates to stacks and moreparflanges I? and bolts l8. As shown, the lowerticularly to hollowstacks or towers of ceramic most section i5 is formed with a solidbottom materials such as are used in industrial chemwhile the uppermostsection is preferably dome istry and allied industries. shaped to form acap. However, different types 5 While glass and like ceramic materialspossess of end sections may be used according to the 5 high crushingstrength, it has not heretofore process to be carried on. been feasibleto produce tall stacks or towers, Secured to the cross members 13between the such, for instance, as absorption towers or fracstandards 22and the tower M are brackets tionating columns, from such materials inspite carrying sheaves i5, and secured to the cross of the desirabilityof using them due to their members near the standards I! are bracketscar-- 10 resistance to corrosion. The reason for not rying sheaves 20.Flexible cables iii are trained more widely employing such materials in0011- over the sheaves i9 and 223 and attached to the structing tallstacks or towers for use in the inner ends of the cables are hooks 22for engagechemical and allied industries has been primarily ment withcertain of the flanges I"! while a due to the great weights involved andthe consecounterweight 23 is attached to the outer end 15 quent dangerof serious injury to workmen or of each cable 2i. As shown brackets 24are at others employed about such structures should tached to eachstandard H directly beneath the breakage occur. counterweights 23 andthese brackets support The primary object of this invention is toshelves 25 which are apertured as at 26 to receive 30 render feasiblethe use of glass or like ceramic threaded stems 2! which depend from thematerials in the construction of tall stacks or counterweights. Nuts 28are threaded on the towers such as are employed in the chemical stems 21for engagement with the under sides and allied industries. of theshelves and serve as stops to limit Another object is to eliminate thedanger of upward movement of the counterweights, it be- 25 injury toworkmen or others employed in the ing understood that any downwardmovement of 25 vicinity of such towers or stacks. them is limited bytheir engagement with the A further object of my invention is tofacilishelves 25. tate the repair or replacement of any parts of In useshould the lowermost section l5 of the a tower or stack which mightbecome injured tower or stack l4 become broken or damaged, it 30 orbroken without requiring that the whole tower is obvious that it may beremoved and a new one 30 be dismantled. put in its place withoutdisturbing the sections The above and other objects may be accomabovethe lowermost counterweight. Should any plished by employing myinvention which empart collapse in service, it will be readily seenbodies among its features independently sustainthat the remainder willbe supported by the adjaing the weight of sections of a tower or stackcent counterweights and hence much of the 35 on counterweights so thatshould breakage of one danger of personal injury from falling pieces isor more sections occur, those supported above eliminated as thecounterweights will sustain the it will not fall and contribute tothedamage remainder of the tower or stack.

already done. While in the foregoing there has been shown 40 The drawingis a side view of a tower or stack and described the preferredembodiment of my 40 constructed in accordance with my invention.invention, it is to be understood that minor In constructing a tower orstack in accordance changes in the details of construction, combinawithmy invention I construct a skeleton frametion, and arrangement of partsmay be resorted work designated generally it which includes a to withoutdeparting from the spirit and scope of plurality of standards it and i2held in spaced my invention as claimed. 45

parallel relation by horizontally disposed cross WhatI claim is: membersIt which are fixed to the standards at l. A tower or stack formed ofcylindrical glass preferably uniformly spaced intervals. sections, askeleton framework around the outside The tower designated generally Mis built up of the tower, sheaves carried by the framework,

of a plurality of hollow cylindrical sections is flexible memberstrained over the sheaves, means 50 preferably of glass though any othersuitable on one end of each ileX1ble member for engaging material may beemployed. These sections I5 one section of the tower and a counterweightat are sealed together to form liquid tight joints at the opposite endof each flexible member. their abutting edges by any suitable means such2. A tower or stack formed of cylindrical glass as gaskets and are heldin such relation by sections, a skeleton framework around the outside ofthe tower, sheaves carried by the framework, flexible members trainedover the sheaves, means on one end of each flexible member for engagingone section of the tower, a counterweight at the opposite end of eachflexible member, and means to limit the vertical movement of thecounterweights.

3. A tower or stack formed of cylindrical glass sections, a skeletonframework around the out-' side of the tower, sheaves carried by theframework, flexible members trained over the sheaves, means on one endof each flexible member for engaging one section of the tower, acounterweight at the opposite end of each flexible member, and shelveson the framework beneath the counterweights for limiting their verticaldescent.

4. A tower or stack formed of cylindrical glass sections, a skeletonframework around the outside of the tower, sheaves carried by theframework, flexible members trained over the sheaves, means on one endof each flexible member for engaging one section of the tower, acounterweight at the opposite end of each flexible member, shelves onthe framework beneath the counterweights for limiting their verticaldescent, studs on the counterweights projecting through apertures in theshelves and nuts on the studs for limiting the vertical ascent of thecounterweights.

HARRY CLIFFORD BATES.

